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Specifying the mountpoint for applications on the embedded web server

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now actually works. (Servlet path translation was broken).
Application manager is now able to move applications on the embedded web server,
i.e. if appname.mountpoint is modified, the application is re-mounted at the new
location.
This commit is contained in:
hns 2002-07-12 18:57:07 +00:00
parent 17a0a7a93c
commit 6978b08841
2 changed files with 46 additions and 32 deletions
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61
src/helma/main/ApplicationManager.java
View file

@ -5,6 +5,7 @@ package helma.main;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.Properties;
import java.io.*;
import java.lang.reflect.*;
import java.rmi.*;
@ -26,6 +27,7 @@ import javax.servlet.Servlet;
public class ApplicationManager {
private Hashtable applications;
private Properties mountpoints;
private int port;
private File hopHome;
private SystemProperties props;
@ -39,14 +41,8 @@ public class ApplicationManager {
this.props = props;
this.server = server;
applications = new Hashtable ();
mountpoints = new Properties ();
lastModified = 0;
/* tomcat = new EmbeddedTomcat();
tomcat.setPath("/Users/hannes/Desktop/jakarta-tomcat-4.0.3/test");
try {
tomcat.startTomcat();
} catch (Exception x) {
System.err.println ("Error starting Tomcat: "+x);
} */
}
@ -64,12 +60,34 @@ public class ApplicationManager {
// then stop deleted ones
for (Enumeration e = applications.keys(); e.hasMoreElements (); ) {
String appName = (String) e.nextElement ();
// check if application has been removed and should be stopped
if (!props.containsKey (appName)) {
stop (appName);
} else if (server.websrv != null) {
// check if application should be remounted at a
// different location on embedded web server
String oldMountpoint = mountpoints.getProperty (appName);
String mountpoint = props.getProperty (appName+".mountpoint");
if (mountpoint == null || "".equals (mountpoint.trim()))
mountpoint = "/"+URLEncoder.encode(appName);
if (!mountpoint.equals (oldMountpoint)) {
if ("/".equals (oldMountpoint))
server.websrv.removeDefaultServlet ();
else
server.websrv.removeServlet (oldMountpoint+"/*");
Application app = (Application) applications.get (appName);
app.setBaseURI (mountpoint);
EmbeddedServletClient servlet = new EmbeddedServletClient (appName, mountpoint);
if ("/".equals (mountpoint))
server.websrv.setDefaultServlet (servlet);
else
server.websrv.addServlet (mountpoint+"/*", servlet);
mountpoints.setProperty (appName, mountpoint);
}
}
}
} catch (Exception mx) {
Server.getLogger().log ("Error starting applications: "+mx);
Server.getLogger().log ("Error checking applications: "+mx);
}
lastModified = System.currentTimeMillis ();
@ -79,13 +97,8 @@ public class ApplicationManager {
void start (String appName) {
Server.getLogger().log ("Building application "+appName);
try {
String mountpoint = props.getProperty (appName+".mountpoint",
"/"+URLEncoder.encode(appName));
Application app = new Application (appName, hopHome, Server.sysProps, Server.dbProps);
applications.put (appName, app);
// if we're running with the embedded web server, set app base uri to /appname
if (server.websrv != null)
app.setBaseURI (mountpoint);
// the application is started later in the register method, when it's bound
app.init ();
} catch (Exception x) {
@ -101,9 +114,9 @@ public class ApplicationManager {
if (server.websrv == null) {
Naming.unbind ("//:"+port+"/"+appName);
} else {
String mountpoint = props.getProperty (appName+".mountpoint",
"/"+URLEncoder.encode(appName));
// server.websrv.removeServlet ("/"+appName+"/");
String mountpoint = mountpoints.getProperty (appName);
if (mountpoint == null || "".equals (mountpoint.trim()))
mountpoint = "/"+URLEncoder.encode(appName);
if ("/".equals (mountpoint))
server.websrv.removeDefaultServlet ();
else
@ -124,16 +137,20 @@ public class ApplicationManager {
if (server.websrv == null) {
Naming.rebind ("//:"+port+"/"+appName, app);
} else {
String mountpoint = props.getProperty (appName+".mountpoint",
"/"+URLEncoder.encode(appName));
String mountpoint = props.getProperty (appName+".mountpoint");
if (mountpoint == null || "".equals (mountpoint.trim()))
mountpoint = "/"+URLEncoder.encode(appName);
// set application URL prefix
app.setBaseURI (mountpoint);
// is the application mounted on the server root?
boolean isRoot = "/".equals (mountpoint);
EmbeddedServletClient servlet = new EmbeddedServletClient (appName, isRoot);
if (isRoot)
EmbeddedServletClient servlet = new EmbeddedServletClient (appName, mountpoint);
if (isRoot) {
server.websrv.setDefaultServlet (servlet);
else {
} else {
server.websrv.addServlet (mountpoint+"/*", servlet);
}
// tomcat.addApplication (appName);
mountpoints.setProperty (appName, mountpoint);
}
app.start ();
} catch (Exception x) {

17
src/helma/servlet/EmbeddedServletClient.java
View file

@ -21,17 +21,16 @@ public final class EmbeddedServletClient extends AbstractServletClient {
private Application app = null;
private String appName;
// tells us whether the application is mounted as root or by its name
// depending on this we know whether we have to transform the request path
boolean root;
// The path where this servlet is mounted
String servletPath;
public EmbeddedServletClient () {
super ();
}
public EmbeddedServletClient (String appName, boolean isRoot) {
public EmbeddedServletClient (String appName, String servletPath) {
this.appName = appName;
this.root = isRoot;
this.servletPath = servletPath;
}
public void init (ServletConfig init) throws ServletException {
@ -59,11 +58,9 @@ public final class EmbeddedServletClient extends AbstractServletClient {
String getRequestPath (String path) {
if (path == null)
return "";
if (root)
return trim (path);
int appInPath = path.indexOf (appName);
if (appInPath > 0)
return trim (path.substring (appInPath+appName.length()));
int pathMatch = path.indexOf (servletPath);
if (pathMatch > -1)
return trim (path.substring (pathMatch+servletPath.length()));
else
return trim (path);
}